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Mademuasel [1]
3 years ago
12

Which cost is greater for the company, the intial costs or the reimbursements? by how much? Justify your answer by writing and e

valuating an expression for the difference between the initial costs and reimbursements.
Mathematics
1 answer:
Schach [20]3 years ago
6 0

Answer:

b

Step-by-step explanation:

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There were 800 farmers' markets initially in the USA in 2012. In 2013, the number of farmers' markets was 1.25 times the initial
zavuch27 [327]
For this case we have a function of the form:
 y = A * (b) ^ x

 Where,
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 b: is the growth rate
 x: is the number of years
 Substituting values we have:
 y = 800 * (1.25) ^ x
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8 0
3 years ago
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A box contains 5 red balls, 6 white balls and 9 black balls. Two balls are drawn at
valina [46]

Answer:

P(Same)=\frac{61}{190}

Step-by-step explanation:

Given

Red = 5

White = 6

Black = 9

Required

The probability of selecting 2 same colors when the first is not replaced

The total number of ball is:

Total = 5 + 6 + 9

Total = 20

This is calculated as:

P(Same)=P(Red\ and\ Red) + P(White\ and\ White) + P(Black\ and\ Black)

So, we have:

P(Same)=\frac{n(Red)}{Total} * \frac{n(Red) - 1}{Total - 1} + \frac{n(White)}{Total} * \frac{n(White) - 1}{Total - 1}  + \frac{n(Black)}{Total} * \frac{n(Black) - 1}{Total - 1}

<em>Note that: 1 is subtracted because it is a probability without replacement</em>

P(Same)=\frac{5}{20} * \frac{5 - 1}{20- 1} + \frac{6}{20} * \frac{6 - 1}{20- 1}  + \frac{9}{20} * \frac{9- 1}{20- 1}

P(Same)=\frac{5}{20} * \frac{4}{19} + \frac{6}{20} * \frac{5}{19}  + \frac{9}{20} * \frac{8}{19}

P(Same)=\frac{20}{380} + \frac{30}{380}  + \frac{72}{380}

P(Same)=\frac{20+30+72}{380}

P(Same)=\frac{122}{380}

P(Same)=\frac{61}{190}

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gayaneshka [121]

Answer:

option number 2 should be the answer if I'm wrong I'm mega sorry not that  great at math. :>

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)) Evaluate the expression for b = 7.<br> 11b - 75 =
Wewaii [24]

Answer:

The answer is 2.

Step-by-step explanation:

11(7) - 75

77-75

=2

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